Pith Number

pith:HANDQ7MM

pith:2019:HANDQ7MMAJSUNB4NEVEJTVLXHN

not attested not anchored not stored refs pending

Convergence of Coupon Collecting Process via Wormald's Differential Equation Method

Anshui Li, Yong Chen

arxiv:1912.02582 v1 · 2019-12-05 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HANDQ7MMAJSUNB4NEVEJTVLXHN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:24:15.058535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

381a387d8c026546878d254899d5773b69caa0fceb4083cb8b6c7e935a8445ff

Aliases

arxiv: 1912.02582 · arxiv_version: 1912.02582v1 · doi: 10.48550/arxiv.1912.02582 · pith_short_12: HANDQ7MMAJSU · pith_short_16: HANDQ7MMAJSUNB4N · pith_short_8: HANDQ7MM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HANDQ7MMAJSUNB4NEVEJTVLXHN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 381a387d8c026546878d254899d5773b69caa0fceb4083cb8b6c7e935a8445ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081176d702974a1178c6efdb02ae0317f293cd0d2ce49510a669b2377fbb37cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-12-05T14:10:07Z",
    "title_canon_sha256": "5edfed283de37ad3f0674ca12a9d379f19acd734e4577754d98e0a6ef8d15cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02582",
    "kind": "arxiv",
    "version": 1
  }
}